1. Write an algebraic expression for
4 less than three times a number, x
2. What type of correlation exist when as
One variable increase the other variable decreases?
3. Given the domain {9} determine the range of the function
Y = 3x - 8
4. Which (range or domain) does the following terms
Represent
Dependent
Vertical axis
Y
F(x)
5. Solve for x
4(x-5) = 6x
6. Solve for x
3x – 5 = 5(8-x)
7. Graph
2x + 2y = 6
8. Write an equation for this relationship.
x
2
4
6
8
y
0
6
12
18
9. A printer can make 90 copies in 5 minutes, at this rate, how long will it take it to
Make 600 copies?
10. An electrician charges a one time fee of $50
For coming to your house. He then will charge
$30 per hour. Write the equation that could be used
To determine the cost, c of the electrician coming
To your home and working h, hours.
11. What is the value of x in the following equation?
3x – 5(x + 2) + 12 = 10
y
12.
x
What function is represented by this graph?
13. For the function f(x) = 3x – 5 find the value of f(-2)
14. Graph the function
½x+y=4
15. Using your calculator determine the equation of linear
Regression for this set of data.
x
y
1
2
3
5
5
8
9
10
16. Fill out the function sheet for the following.
2x – 4y = 12
Graph
Equation
Point Slope
Slope Intercept
Standard Form
Give the value
Table
Slope
Y intercept
X intercept
Is this a function? If so, write in
Functional notation and find f(5)
17. Complete the function sheet for a line that is perpendicular
To the line y = -1/3x + 1 and that passes through (1,2)
Graph
Equation
Point Slope
Slope Intercept
Standard Form
Give the value
Table
Slope
Y intercept
X intercept
Is this a function? If so, write in
Functional notation and find f(5)
y
18. Complete the function sheet
For this relationship.
x
Graph
Equation
Point Slope
Slope Intercept
Standard Form
Give the value
Table
Slope
Y intercept
X intercept
Is this a function? If so, write in
Functional notation and find f(5)
20. Is the point (3, 2) in the solution set for the function 3x – 4y = -1
y
23. Write the equation in slope intercept
Form that represents this function.
x
25. Write in scientific notation
1, 345, 000,000
26. Which relationship is not proportional?
A
C
x
1
2
3
x
2
4
6
y
2
3
4
y
.1
.2
.3
D
B
x
2
4
6
x
3
5
10
y
4
8
12
y
0.9
1.5
3.0